lieutenant

1. N-COUNT/N-TITLE A lieutenant is a person who holds a junior officer's rank in the army, navy, marines, or air force, or in the U.S. police force. 陆军中尉; 海军上尉; (美国的) 警官

Lieutenant Campbell ordered the man at the wheel to steer for the gunboat. 坎贝尔上尉命令舵手向炮艇驶去。